Model Comparison
Gemini 2.5 Pro Preview 06-05 vs o3
Gemini 2.5 Pro Preview 06-05 shows notably better performance in the majority of benchmarks.
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 2.5 Pro Preview 06-05 outperforms in 5 benchmarks (Aider-Polyglot, AIME 2025, GPQA, Humanity's Last Exam, VideoMMMU), while o3 is better at 2 benchmarks (MMMU, SWE-Bench Verified).
Gemini 2.5 Pro Preview 06-05 shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Context Window
Maximum input and output token capacity
Only Gemini 2.5 Pro Preview 06-05 specifies input context (1,048,576 tokens). Only Gemini 2.5 Pro Preview 06-05 specifies output context (65,535 tokens).
Input Capabilities
Supported data types and modalities
Both Gemini 2.5 Pro Preview 06-05 and o3 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 2.5 Pro Preview 06-05
o3
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05, while o3 was released on 2025-04-16.
Gemini 2.5 Pro Preview 06-05 is 2 months newer than o3.
Jun 5, 2025
11 months ago
1mo newerApr 16, 2025
1.0 years ago
Knowledge Cutoff
When training data ends
Gemini 2.5 Pro Preview 06-05 has a knowledge cutoff of 2025-01-31, while o3 has a cutoff of 2024-05-31.
Gemini 2.5 Pro Preview 06-05 has more recent training data (up to 2025-01-31), making it potentially better informed about events through that date compared to o3 (2024-05-31).
Jan 2025
8 mo newerMay 2024
Outputs Comparison
Key Takeaways
o3
View detailsOpenAI
Detailed Comparison
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FAQ
Common questions about Gemini 2.5 Pro Preview 06-05 vs o3.